Direct and indirect means of predicting forage quality through near infrared reflectance spectroscopy

Jerry Stuth, Abdi Jama, Douglas R Tolleson

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

The advent of NIRS technology for assessing quality of plant/forage/feed tissue and predicting diet quality from feces offers livestock nutritionists, researchers, farm advisors and resource consultants a rapid mechanism to acquire nutritional information. The portability and low long-term maintenance costs of this technology coupled with rapid turn around time on processing offers a mechanism for nutrition programs to address forage and dietary quality issues that were limited due to high maintenance costs of wet chemistry laboratories. The fundamentals of NIRS technology and associated development of calibration equations are discussed along with methods to validate equations. Direct methods for tissue analysis and indirect methods to predict diet quality from feces are reviewed for major constituents found in forages, including crude protein, digestibility, tannins and minerals.

Original languageEnglish (US)
Pages (from-to)45-56
Number of pages12
JournalField Crops Research
Volume84
Issue number1-2
DOIs
StatePublished - Oct 2003
Externally publishedYes

Fingerprint

nutritional adequacy
forage quality
near-infrared spectroscopy
forage
reflectance
near infrared
spectroscopy
feces
diet
nutrition information
tissue analysis
consultants
nutritionists
food and nutrition programs
tannin
digestibility
digestible protein
cost
tannins
nutrition

Keywords

  • Calibration
  • Digestibility
  • Fecal
  • Minerals
  • NIRS
  • Protein

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science

Cite this

Direct and indirect means of predicting forage quality through near infrared reflectance spectroscopy. / Stuth, Jerry; Jama, Abdi; Tolleson, Douglas R.

In: Field Crops Research, Vol. 84, No. 1-2, 10.2003, p. 45-56.

Research output: Contribution to journalArticle

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